[1] HALDOLAARACHCHIGE N，GIBSON Q，KRIZAN J，et al.Superconducting properties of the KxWO3 tetragonal tungsten bronze and the superconducting phase diagram of the tungsten bronze family [J]. Phys Rev B，2014，89(10)：104520.
[2] QIN J，XING Y，ZHANG G. Synthesis of potassium tungsten bronze nanosheets by phase transformation [J]. J Am Ceram Soc，2013，96(5): 1617 - 1621.
[3] KIM J，MOON K，CHOI J，et al. Control over growth of hexagonal sodium tungstate nanorods by poly (styrenesulfonate) [J]. Chem Lett，2013，42(10): 1149 - 1150.
[4] LIU B, YIN S, WU X, et al. Graphene/MxWO3 (M = Na, K) nanohybrides with excellent electrical properties [J]. Carbon, 2015, 94: 309 - 316.
[5] WEIQ, SHIH, CHENGX, et al. Growth and scintillation properties of the Na2W2O7 crystal [J]. J Cryst Growth,2010, 312(11): 1883 - 1885.
[6] AZIMIRAD R, GOUDARZI M, AKHAVAN O, et al. The effect of heating time on growth of NaxWO3 nanowhiskers [J]. Vacuum, 2008, 82(8): 821 - 826.
[7] CHATTERJEE S, MAHAPATRA P K, SINGH A K, et al. Structural, electrical and dielectric properties of Na2W4O13 ceramic [J]. J Mater Sci Lett, 2003, 22(2): 99 - 101.
[8] GAO T, JELLE B P. Visible-light-driven photochromism of hexagonal sodium tungsten bronze nanorods [J]. J Phys Chem C, 2013, 117(26): 13753 - 13761.
[9] GARAVAND N T, MAHDAVI S M, IRAJIZAD A, et al. Synthesis of sodium tungsten oxide nano-thick plates [J]. Mater Lett, 2012, 82: 214 - 216.
[10] SHENG T, CHAVVAKULA P P, CAO B, et al. Growth of ultra-long sodium tungsten oxide and tungsten oxide nanowires: effect of impurity and residue deposition [J]. J Cryst Growth, 2014, 395: 61 - 67.
[11] CHAIF, TANR, CAOF, et al. Dendritic and tubular tungsten oxide by surface sol-gel mineralisation of cellulosic substance [J]. Mater Lett, 2007, 61(18): 3939 - 3941.
[12] BARTHAL, KISSA B, SZALAYT.Chemistry of tungsten oxide bronzes [J]. Int J Refract Met Hard Mater, 1995, 13(1): 77 - 91.
[13] LEKSHMII C, GAYENA, PRASADV, et al. Structure and electrical properties of sodium tungsten bronzes thin films [J]. Mater Res Bull, 2002, 37(11): 1815 - 1823.
[14] CAOG,SONGX, YUH, et al. Hydrothermal synthesis of sodium tungstate nanorods and nanobundles in the presence of sodium sulfate [J]. Mater Res Bull, 2006, 41(2): 232 - 236.
[15] JOVANOVIĆD, VALIDŽIĆI, MITRIĆM, et al. Crystal structure studies on plate/shelf like disodium ditungstate [J]. Bull Mater Sci, 2013, 36(1): 149 - 152.
[16] SAEKI Y, KATO A, MATSUZAKI R. Reaction process between sodium tungstate and chlorine [J]. Chem Lett, 1975, 4(9): 935 - 938.
[17] JIA S, ZHENG H, SANG H, et al. Self-assembly of KxWO3 nanowires into nanosheets by an oriented attachment mechanism [J]. ACS Appl Mater Inter, 2013, 5(20): 10346 - 10351.
[18] JIA S, SANG H, ZHANG W, et al. Ordered and twinned structure in hexagonal-based potassium tungsten bronze nanosheets [J]. J Appl Crystallogr, 2013, 46(6): 1817 - 1822.
[19] NIPAN G D. Phase states of Na/W/Mn/SiO2 composites at temperatures of catalytic oxidative coupling of methane[J]. InorgMater, 2014, 50(10): 1012 - 1017.
[20] PACHECOFILHOJ G A, EONJ,SCHMALM.Oxidative coupling of methane on Ce/Na/CaO catalysts [J]. Catal Lett, 2000, 68(3 - 4): 197 - 202.
[21] YAO Y Z, ISHIKAWAY, SUGAWARAY, et al. Molten KOH etching with Na2O2 additive for dislocation revelation in 4H-SiC epilayers and substrates [J]. Jpn J Appl Phys, 2011, 50(7R): 075502.
[22] SCHMIDTM, KUSCHER,LSSENDORFF B,et al. Irregular variations in the melting point of size-selected atomic clusters [J]. Nature, 1998, 393(6682): 238 - 240.
[23]RAJ S, MATSUI H, SOUMA S, et al. Electronic structure of sodium tungsten bronzes NaxWO3 by high-resolution angle-resolved photoemission spectroscopy [J]. Phys Rev B, 2007, 75(15): 155116.
